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Finding the Fourth Proportional to 295,676.33, 443,669.40 and 135,800.55

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Solution

The fourth proportional to 295,676.33, 443,669.40 and 135,800.55 is: 203,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,676.33 : 443,669.40 = 135,800.55 : x
  2. Step 2: Convert to fraction form
    295,676.33/443,669.40 = 135,800.55/x
  3. Step 3: Cross multiply
    295,676.33x = 443,669.40 × 135,800.55
  4. Step 4: Simplify right side
    295,676.33x = 60,250,548,538.17
  5. Step 5: Solve for x
    x = 60,250,548,538.17/295,676.33
  6. Step 6: Final answer
    x = 203,771.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.